# Site Stabilization Calculator vs Asphalt Calculator Plus

The clearest difference is update cadence: Asphalt Calculator Plus at every 3 weeks against Site Stabilization Calculator's every 12 months. Asphalt Calculator Plus also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Site Stabilization Calculator ships an update every 12 months, Asphalt Calculator Plus every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Site Stabilization Calculator | Asphalt Calculator Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (829 ratings)](https://appshunter.io/ios/app/asphalt-calculator-plus/id6478167114/reviews)** |
| Number of ratings | — | **829** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 20 MB | 33 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TYJA Enterprises Corporation](https://appshunter.io/developer/1626166382) | [Calc Hub, LLC](https://appshunter.io/developer/1494386814) |

## What reviewers say

### Site Stabilization Calculator

[App page](https://appshunter.io/ios/app/site-stabilization-calculator/id1131344964)

Calculate spread rates for soil stabilization materials like cement and quicklime, or liquid stabilizers. Estimate project materials such as undercuts, aggregate base course, asphalt, and concrete. Save and share project details with notes and images.

**Highlights:** Calculate spread rates for stabilizing powders, Estimate undercuts, aggregate base course, asphalt, concrete, Save calculations into projects, Add supporting notes and images, Share project calculations, notes, and images

**Features:** macOS Compatibility

**In-app purchases:** none


### Asphalt Calculator Plus

[App page](https://appshunter.io/ios/app/asphalt-calculator-plus/id6478167114)

Estimate hot mix asphalt, base material, and sealcoat for paving projects. Input dimensions in various units and receive results in US customary measurements, including cost estimations for materials.

**Highlights:** Asphalt material estimation, Base material calculation, Sealcoat estimation, Multi-unit dimension input, US customary unit output, Material cost estimation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Site Stabilization Calculator free?

Site Stabilization Calculator is free to download, with no in-app purchases.

### Is Asphalt Calculator Plus free?

Asphalt Calculator Plus is free to download, with no in-app purchases.

### Do Site Stabilization Calculator or Asphalt Calculator Plus have ads?

Both Site Stabilization Calculator and Asphalt Calculator Plus show ads.

### Which is updated more often, Site Stabilization Calculator or Asphalt Calculator Plus?

Site Stabilization Calculator ships an update every 12 months, and Asphalt Calculator Plus every 3 weeks. Most recently, Site Stabilization Calculator was updated on November 2, 2026 and Asphalt Calculator Plus on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*